look up any word, like b4nny:
 
1.
When you take it in the pooper without lube.
*guy 1 bum rapes guy 2*
Guy 2: My ass hurts!
by SuperSonicX August 22, 2004
 
2.
Where you get raped, but in the ass hole instead.
" oh my god.. i got bum raped last night"
by Spike April 29, 2004
 
3.
When you buy lunch for a girl without realising its actually her round, then whilst innocently walking back to your office you realise that in fact it was her round and you have been financially bum raped.
Oh my god, Spa has just financially bum raped me out of a lunch da fuck.
by Guybag July 25, 2005